Home / 123,975.54-185,975.61-49,147.33

Finding the Fourth Proportional to 123,975.54, 185,975.61 and 49,147.33

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Solution

The fourth proportional to 123,975.54, 185,975.61 and 49,147.33 is: 73,725.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,975.54 : 185,975.61 = 49,147.33 : x
  2. Step 2: Convert to fraction form
    123,975.54/185,975.61 = 49,147.33/x
  3. Step 3: Cross multiply
    123,975.54x = 185,975.61 × 49,147.33
  4. Step 4: Simplify right side
    123,975.54x = 9,140,204,676.62
  5. Step 5: Solve for x
    x = 9,140,204,676.62/123,975.54
  6. Step 6: Final answer
    x = 73,725.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.